STALK-EYED CRUSTACEA 379 



4. Paguristes planatus. 



Paguristes planatiis . A. Milne Edwards and Bouvier. 



Rostrum not well marked. Eye-stalks not as long as 

 the breadth of the front of the carapace, reaching a Httle 

 beyond the antennal peduncle; scales unequally bidentate 

 at their extremity. Antennal acicle bifurcate ; it has five 

 or six spinules on the internal, and three or four on the 

 external border. 



Range. — Barbados ; in deep water. 



5. Paguristes lymani. 



Paguristes lyniaiii . A. Milne Edwards and Bouvier 



The rostrum is short and has hairs ; it does not reach 

 as far as the level of the lateral teeth. Eye-stalks exceed 

 the antennal peduncle by about one-sixth of its length; 

 they are cylindrical ; the basal scales have two unequal 

 spines at their extremity ; they have hairs on their inner 

 edge. The antennal acicle has three or four spines on 

 the external and internal borders, and terminates in a 

 forked end. 



Range. — Grenada, Guadaloupe, Barbados, Sand Key; 

 in deep water. 



10. Sympagurus. 



Synipagunis . S. J. Smith, A. Milne Edwards and 

 Bouvier. 



This genus is like Parapagurus, except that the gills 

 are in the form of plates and not in the form of threads, 

 like those of the latter genus. They live in shells. 



Range. — New York to Barbados ; in deep water. 



